From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from opensource.wolfsonmicro.com ([80.75.67.52]:56065 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755316Ab2CUT7o (ORCPT ); Wed, 21 Mar 2012 15:59:44 -0400 Date: Wed, 21 Mar 2012 19:59:42 +0000 From: Mark Brown To: Jonathan Cameron Cc: michael.hennerich@analog.com, linux-iio@vger.kernel.org, device-drivers-devel@blackfin.uclinux.org, drivers@analog.com Subject: Re: [RFC] iio: amplifiers: New driver for AD8366 Dual-Digital Variable Gain Amplifier Message-ID: <20120321195942.GO3226@opensource.wolfsonmicro.com> References: <1329914182-5428-1-git-send-email-michael.hennerich@analog.com> <4F6A2D2B.9050400@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ZmZU9S7l/XJx5q9b" In-Reply-To: <4F6A2D2B.9050400@kernel.org> Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org --ZmZU9S7l/XJx5q9b Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Mar 21, 2012 at 07:34:03PM +0000, Jonathan Cameron wrote: > I've pulled Mark into the cc as he might have come across similar > devices from the audio side of things and hence have some experience > around this question... How to represent gains from amplifiers? Audio specifies gains as dB between input and output; generic stuff like IIO may want to do that using a linear scale (or have the option). --ZmZU9S7l/XJx5q9b Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAEBAgAGBQJPajLhAAoJEBus8iNuMP3dspsP+wWpNTA7zsnw+Yet7aTkPL9T og2WXyZXj8S8r5yZRNbwX6fG0gzlyQtjcsswp2LX7tk8q7nK2VZFrCOzIVv1EwM4 CK9NcFjE4SVE6kAVCz3AJ204UnQEpvaZY/JHW8olIgt8SiJkpb5Tqgb9eXGypHCP YRDZB0GxJvh/dbJCCPU1zrfpQfhJ1Cwtj0HPhnao2ermz2HY+BU+IhGiM2VFtwzn bhC8pwgOaxS+jnUW3W+z8c0QrTgoEUj4UUcNtOsVFZdwXdYW9uDHSyaGloS8uNVS Rpik0ApCPiRQgKJ8WP7TH5+s9SO5yjZwVatDCOkFJ9Fu3DXpe9fEjSlo9erjMTEz IAlYa/cOYK5y4nT6bdT0PcX7ihtsY1Hi5yEpyk8jMEfGvqtD1jELa6ejYUw9UCy8 GtH6Xyugp8d3fN/3vKeU4NLJiaBS5CdESF9TuBYu0JpDXo4tjDcuNV64BrTfeJ+j XKGV7rRfkAzAZb9SASWpFROceuCyBbQazUGnWj5KigSP5T8XPquxyqUjlWGaKy3/ OcxbkIU9tbTW+Rw+X8eiZ06qlRm1h/3bMXvgrnx6LZui0lTUhH66mBr4kjQs45Iv yFlMIR8tE4XtqdTse2/QVG4nRB+3ke+5K+v/EBFuFSyYGYRe+Sf7Efrp1CCOAqOi GmheHAWAed6JdVpHjzd8 =oqAV -----END PGP SIGNATURE----- --ZmZU9S7l/XJx5q9b--